US2981149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highway marker
Assignee: Individual
•
Filing: 1957-10-28
•
Granted: 1961-04-25
•
Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Stolarczyk Gregory
- 👤 Stolarczyk Jerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:46
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/553; E01F9/565; E01F9/571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB264199A
Cited
GB282183A
Cited
GB383527A
Cited
US2005170A
Cited
GB436290A
Cited
US2073968A
Cited
US2224937A
Cited
US2229179A
Cited
US2260498A
Cited
US2774323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |